*{
    padding: 0;
    margin: 0;
    list-style: none;
    text-decoration: none;
    box-sizing: border-box;
}
img{
    display: block;
}
a{
    color: black;
}
.box{
    width: 500px;
    height: 350px;
    position: relative;
    display: flex;
    // overflow: hidden;
    margin: 20px auto 0;
    .pic{
        width: 500px;
        height: 350px;
        position: relative;
        z-index: 1;
        // overflow: hidden;
        img{
            width: 500px;
            height: 350px;
        }
        p{
            width: 500px;
            height: 50px;
            font-size: 20px;
            font-weight: 900;
            text-align: center;
            line-height: 50px;
            color: white;
            position: absolute;
            top: 0;
            background-color: rgba(#000000, $alpha: .5);
        }
    }
    .left{
        position: absolute;
        left: 0;
        top: 140px;
        width: 50px;
        line-height: 350px;
        z-index: 10;
        display: none;
        
    }
    .right{
        position: absolute;
        right: 10px;
        top: 140px;
        width: 50px;
        line-height: 350px;
        z-index: 10;
        display: none;
    }
    .page{
        position: absolute;
        bottom: 10px;
        left: 200px;
        z-index: 20;
        a{
            float: left;
            display: block;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background-color:black;
            margin: 0 5px;
        }
    }
}
.active{
    background-color: white!important;
}
.box:hover .left{
    display: block;
}
.box:hover .right{
    display: block;
}